Source apportionment methods for upstream inflows of nitrate nitrogen in the reservoir using stable isotopes
WEI Jian, CHEN Li-li, CHEN Jun-jun, XIE Rong-rong, LI Jia-bing, MA Xiao-dan, WU Qiong-yao, SHI Cheng-chun
China Environmental Science . 2026, (3): 1543 -1553 .